xref: /openbmc/linux/arch/arm64/kernel/asm-offsets.c (revision 4f205687)
1 /*
2  * Based on arch/arm/kernel/asm-offsets.c
3  *
4  * Copyright (C) 1995-2003 Russell King
5  *               2001-2002 Keith Owens
6  * Copyright (C) 2012 ARM Ltd.
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License version 2 as
10  * published by the Free Software Foundation.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
19  */
20 
21 #include <linux/sched.h>
22 #include <linux/mm.h>
23 #include <linux/dma-mapping.h>
24 #include <linux/kvm_host.h>
25 #include <linux/suspend.h>
26 #include <asm/thread_info.h>
27 #include <asm/memory.h>
28 #include <asm/smp_plat.h>
29 #include <asm/suspend.h>
30 #include <asm/vdso_datapage.h>
31 #include <linux/kbuild.h>
32 #include <linux/arm-smccc.h>
33 
34 int main(void)
35 {
36   DEFINE(TSK_ACTIVE_MM,		offsetof(struct task_struct, active_mm));
37   BLANK();
38   DEFINE(TI_FLAGS,		offsetof(struct thread_info, flags));
39   DEFINE(TI_PREEMPT,		offsetof(struct thread_info, preempt_count));
40   DEFINE(TI_ADDR_LIMIT,		offsetof(struct thread_info, addr_limit));
41   DEFINE(TI_TASK,		offsetof(struct thread_info, task));
42   DEFINE(TI_CPU,		offsetof(struct thread_info, cpu));
43   BLANK();
44   DEFINE(THREAD_CPU_CONTEXT,	offsetof(struct task_struct, thread.cpu_context));
45   BLANK();
46   DEFINE(S_X0,			offsetof(struct pt_regs, regs[0]));
47   DEFINE(S_X1,			offsetof(struct pt_regs, regs[1]));
48   DEFINE(S_X2,			offsetof(struct pt_regs, regs[2]));
49   DEFINE(S_X3,			offsetof(struct pt_regs, regs[3]));
50   DEFINE(S_X4,			offsetof(struct pt_regs, regs[4]));
51   DEFINE(S_X5,			offsetof(struct pt_regs, regs[5]));
52   DEFINE(S_X6,			offsetof(struct pt_regs, regs[6]));
53   DEFINE(S_X7,			offsetof(struct pt_regs, regs[7]));
54   DEFINE(S_LR,			offsetof(struct pt_regs, regs[30]));
55   DEFINE(S_SP,			offsetof(struct pt_regs, sp));
56 #ifdef CONFIG_COMPAT
57   DEFINE(S_COMPAT_SP,		offsetof(struct pt_regs, compat_sp));
58 #endif
59   DEFINE(S_PSTATE,		offsetof(struct pt_regs, pstate));
60   DEFINE(S_PC,			offsetof(struct pt_regs, pc));
61   DEFINE(S_ORIG_X0,		offsetof(struct pt_regs, orig_x0));
62   DEFINE(S_SYSCALLNO,		offsetof(struct pt_regs, syscallno));
63   DEFINE(S_ORIG_ADDR_LIMIT,	offsetof(struct pt_regs, orig_addr_limit));
64   DEFINE(S_FRAME_SIZE,		sizeof(struct pt_regs));
65   BLANK();
66   DEFINE(MM_CONTEXT_ID,		offsetof(struct mm_struct, context.id.counter));
67   BLANK();
68   DEFINE(VMA_VM_MM,		offsetof(struct vm_area_struct, vm_mm));
69   DEFINE(VMA_VM_FLAGS,		offsetof(struct vm_area_struct, vm_flags));
70   BLANK();
71   DEFINE(VM_EXEC,	       	VM_EXEC);
72   BLANK();
73   DEFINE(PAGE_SZ,	       	PAGE_SIZE);
74   BLANK();
75   DEFINE(DMA_BIDIRECTIONAL,	DMA_BIDIRECTIONAL);
76   DEFINE(DMA_TO_DEVICE,		DMA_TO_DEVICE);
77   DEFINE(DMA_FROM_DEVICE,	DMA_FROM_DEVICE);
78   BLANK();
79   DEFINE(CLOCK_REALTIME,	CLOCK_REALTIME);
80   DEFINE(CLOCK_MONOTONIC,	CLOCK_MONOTONIC);
81   DEFINE(CLOCK_REALTIME_RES,	MONOTONIC_RES_NSEC);
82   DEFINE(CLOCK_REALTIME_COARSE,	CLOCK_REALTIME_COARSE);
83   DEFINE(CLOCK_MONOTONIC_COARSE,CLOCK_MONOTONIC_COARSE);
84   DEFINE(CLOCK_COARSE_RES,	LOW_RES_NSEC);
85   DEFINE(NSEC_PER_SEC,		NSEC_PER_SEC);
86   BLANK();
87   DEFINE(VDSO_CS_CYCLE_LAST,	offsetof(struct vdso_data, cs_cycle_last));
88   DEFINE(VDSO_XTIME_CLK_SEC,	offsetof(struct vdso_data, xtime_clock_sec));
89   DEFINE(VDSO_XTIME_CLK_NSEC,	offsetof(struct vdso_data, xtime_clock_nsec));
90   DEFINE(VDSO_XTIME_CRS_SEC,	offsetof(struct vdso_data, xtime_coarse_sec));
91   DEFINE(VDSO_XTIME_CRS_NSEC,	offsetof(struct vdso_data, xtime_coarse_nsec));
92   DEFINE(VDSO_WTM_CLK_SEC,	offsetof(struct vdso_data, wtm_clock_sec));
93   DEFINE(VDSO_WTM_CLK_NSEC,	offsetof(struct vdso_data, wtm_clock_nsec));
94   DEFINE(VDSO_TB_SEQ_COUNT,	offsetof(struct vdso_data, tb_seq_count));
95   DEFINE(VDSO_CS_MULT,		offsetof(struct vdso_data, cs_mult));
96   DEFINE(VDSO_CS_SHIFT,		offsetof(struct vdso_data, cs_shift));
97   DEFINE(VDSO_TZ_MINWEST,	offsetof(struct vdso_data, tz_minuteswest));
98   DEFINE(VDSO_TZ_DSTTIME,	offsetof(struct vdso_data, tz_dsttime));
99   DEFINE(VDSO_USE_SYSCALL,	offsetof(struct vdso_data, use_syscall));
100   BLANK();
101   DEFINE(TVAL_TV_SEC,		offsetof(struct timeval, tv_sec));
102   DEFINE(TVAL_TV_USEC,		offsetof(struct timeval, tv_usec));
103   DEFINE(TSPEC_TV_SEC,		offsetof(struct timespec, tv_sec));
104   DEFINE(TSPEC_TV_NSEC,		offsetof(struct timespec, tv_nsec));
105   BLANK();
106   DEFINE(TZ_MINWEST,		offsetof(struct timezone, tz_minuteswest));
107   DEFINE(TZ_DSTTIME,		offsetof(struct timezone, tz_dsttime));
108   BLANK();
109   DEFINE(CPU_BOOT_STACK,	offsetof(struct secondary_data, stack));
110   BLANK();
111 #ifdef CONFIG_KVM_ARM_HOST
112   DEFINE(VCPU_CONTEXT,		offsetof(struct kvm_vcpu, arch.ctxt));
113   DEFINE(CPU_GP_REGS,		offsetof(struct kvm_cpu_context, gp_regs));
114   DEFINE(CPU_USER_PT_REGS,	offsetof(struct kvm_regs, regs));
115   DEFINE(CPU_FP_REGS,		offsetof(struct kvm_regs, fp_regs));
116   DEFINE(VCPU_FPEXC32_EL2,	offsetof(struct kvm_vcpu, arch.ctxt.sys_regs[FPEXC32_EL2]));
117   DEFINE(VCPU_HOST_CONTEXT,	offsetof(struct kvm_vcpu, arch.host_cpu_context));
118 #endif
119 #ifdef CONFIG_CPU_PM
120   DEFINE(CPU_SUSPEND_SZ,	sizeof(struct cpu_suspend_ctx));
121   DEFINE(CPU_CTX_SP,		offsetof(struct cpu_suspend_ctx, sp));
122   DEFINE(MPIDR_HASH_MASK,	offsetof(struct mpidr_hash, mask));
123   DEFINE(MPIDR_HASH_SHIFTS,	offsetof(struct mpidr_hash, shift_aff));
124   DEFINE(SLEEP_STACK_DATA_SYSTEM_REGS,	offsetof(struct sleep_stack_data, system_regs));
125   DEFINE(SLEEP_STACK_DATA_CALLEE_REGS,	offsetof(struct sleep_stack_data, callee_saved_regs));
126 #endif
127   DEFINE(ARM_SMCCC_RES_X0_OFFS,	offsetof(struct arm_smccc_res, a0));
128   DEFINE(ARM_SMCCC_RES_X2_OFFS,	offsetof(struct arm_smccc_res, a2));
129   BLANK();
130   DEFINE(HIBERN_PBE_ORIG,	offsetof(struct pbe, orig_address));
131   DEFINE(HIBERN_PBE_ADDR,	offsetof(struct pbe, address));
132   DEFINE(HIBERN_PBE_NEXT,	offsetof(struct pbe, next));
133   return 0;
134 }
135